- Superior Sun Protection: The car window sun visor effectively blocks harmful UV rays and heat, ensuring your baby in the back seat remains safe from sunburn and discomfort during car rides. - Uninterrupted Window Use: Easily installed on both the inside and outside of the rear window frame, this visor allows you to freely lift and roll down windows without obstruction, maintaining proper air circulation for a fresh driving experience. - Breathable and Stretchy Material: Crafted from high-quality double-layer nylon fabric, the visor is breathable and stretchy. Its full black surface design enhances privacy for your family in the back seat. - Universal Compatibility: Designed to fit most rear seat side windows, it works with both metal and plastic door frames. The stretched dimensions of 51 x 70 cm make it suitable for sedans, hatchbacks, and small SUVs featuring arched or rectangular windows. Practical Use Cases: 1. Family Road Trips: Protect your children from the sun during long drives, allowing for comfortable naps without sunburn. 2. Daily Commutes: Enjoy your daily travels with the ability to roll down windows for fresh air, while still keeping harmful rays at bay. 3. Parked Car Protection: Use the visor when parked to shield your back seat from direct sunlight, helping to keep the interior cooler and more comfortable. Choose our car window sun visor for an effective solution to sun protection, comfort, and privacy on the road.